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A/C Pro R134a Synthetic Refrigerant / Stop Leak / Charging Hose / Digital Gauge 20 oz

A/C Pro R134a Synthetic Refrigerant / Stop Leak / Charging Hose / Digital Gauge 20 oz

Last price we saw

$49.97at Walmart, last seen Nov 1

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Our take on the A/C Pro R134a Synthetic Refrigerant / Stop Leak / Charging Hose / Digital Gauge 20 oz

A do-it-yourself recharge kit for cars and trucks that use R-134a refrigerant. It bundles a 20 oz can of R-134a with stop leak, a charging hose and a digital gauge, so you can top up a weak system and read pressure without buying parts separately. It is not for hybrid vehicles or for newer systems that use R-1234yf. The kit is a convenience buy: the can, hose and gauge are cheaper together than bought apart, but a shop recharge with leak testing costs more and finds the actual problem.

Best forOwners of older R-134a cars and trucks with a slow leak
DIYers topping up a system that blows only mildly cold
People who want a gauge reading without buying tools separately
Pros
  • Includes hose and digital gauge, not just the can
  • Stop leak additive can slow a small leak
  • R-134a is the common refrigerant in pre-2015 US vehicles
  • Simple enough for a first-time DIY recharge
Cons
  • Stop leak can clog shop recovery equipment and is disliked by many mechanics
  • A recharge masks leaks instead of fixing them
  • Not for hybrids or R-1234yf systems
  • Overcharging with a can is easy and can damage the compressor

A/C Pro R134a Synthetic Refrigerant / Stop Leak / Charging Hose / Digital Gauge 20 oz prices at every store

  • WalmartCheck price at Walmart

A/C Pro R134a Synthetic Refrigerant / Stop Leak / Charging Hose / Digital Gauge 20 oz price history

Lowest price we've seen: $49.97 on Nov 1 at Walmart. Tracked across 1 store since Nov 1.

What reviewers say

DIY users find the kit easy to follow and the gauge helpful for a quick top-up. Mechanics and experienced owners warn that stop leak causes problems later and that a recharge is not a repair.

Pros
  • Gauge makes pressure easy to read
  • Kit has everything needed in one box
  • Works for a quick seasonal top-up
Cons
  • Stop leak can gum up the system
  • Gauge accuracy questioned by some users
  • Cold air may not last if the leak is large

Specifications

Refrigerant Type
R-134a
Chemical Formula
R-134a
Container Size
16 oz (Product Title)
Container Type
Kit, Can
Vehicle Type
Vehicle, Cars and trucks, Hybrid car (No)
System Type
R134A refrigerant systems on a vehicle
Typical Users
Do-it-yourself Air Conditioner recharge kits

Questions and answers

Is this kit worth it versus a shop recharge?
It is cheaper and fine for a slow leak on an older car. A shop recharge includes leak testing and proper evacuation, which finds the real problem and lasts longer.
Will it work on my hybrid or newer car?
No. Hybrids and most vehicles after the mid-2010s use R-1234yf, and this kit is R-134a only. Check the sticker under the hood before buying.
Does the stop leak actually fix a leak?
It can slow a small leak, but it does not repair seals or lines. Many mechanics advise against stop leak because it can clog recovery equipment.
How do I know how much to add?
Use the digital gauge and the vehicle's low-side pressure spec, and add in short bursts. Overcharging raises pressure and can damage the compressor.
What is in the box?
A 20 oz R-134a can with stop leak, a charging hose and a digital gauge. You supply the vehicle and the low-side service port.

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